UFC women’s flyweight champion Nicco Montaño was hospitalized Friday morning prior to official weigh-ins and her title defense against Valentina Shevchenko has been pulled off the UFC 228 card Saturday, sources confirmed with MMA Fighting. ESPN was the first to report the news.

It remains unclear what Montaño’s condition was when she headed to the hospital, but the timing fits with something related to an illness due to weight cut.

The UFC released a statement on the matter Friday morning, making the title fight cancellation official.